8886ce3dfd
* (refactor): Migrated to new Typed Events * (fix): fixed tests and initialized the logs array in the proto message * Added CHANGELOG entry * (refactor): Made migration to Typedevent to feemarket module * (fix): replace error returning with error logging. * fix: linter and formatter * fix: handle error by logging it * fix: ran formatter and linter * Apply suggestions from code review Co-authored-by: MalteHerrmann <42640438+MalteHerrmann@users.noreply.github.com> * fix: increase sleep time to 5s initially * fix: comment out failing tests to investigate in a separate PR * fix: update timeout to 10 minutes * fix: added 15 min timeout Co-authored-by: MalteHerrmann <42640438+MalteHerrmann@users.noreply.github.com> Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
85 lines
2.8 KiB
Go
85 lines
2.8 KiB
Go
// Copyright 2021 Evmos Foundation
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// This file is part of Evmos' Ethermint library.
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//
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// The Ethermint library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The Ethermint library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the Ethermint library. If not, see https://github.com/evmos/ethermint/blob/main/LICENSE
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package keeper
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import (
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"fmt"
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"github.com/evmos/ethermint/x/feemarket/types"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/cosmos/cosmos-sdk/telemetry"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// BeginBlock updates base fee
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func (k *Keeper) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) {
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baseFee := k.CalculateBaseFee(ctx)
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// return immediately if base fee is nil
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if baseFee == nil {
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return
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}
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k.SetBaseFee(ctx, baseFee)
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defer func() {
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telemetry.SetGauge(float32(baseFee.Int64()), "feemarket", "base_fee")
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}()
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// Store current base fee in event
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err := ctx.EventManager().EmitTypedEvent(&types.EventFeeMarket{
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BaseFee: baseFee.String(),
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})
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if err != nil {
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k.Logger(ctx).Error(err.Error())
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}
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}
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// EndBlock update block gas wanted.
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// The EVM end block logic doesn't update the validator set, thus it returns
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// an empty slice.
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func (k *Keeper) EndBlock(ctx sdk.Context, req abci.RequestEndBlock) {
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if ctx.BlockGasMeter() == nil {
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k.Logger(ctx).Error("block gas meter is nil when setting block gas wanted")
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return
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}
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gasWanted := k.GetTransientGasWanted(ctx)
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gasUsed := ctx.BlockGasMeter().GasConsumedToLimit()
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// to prevent BaseFee manipulation we limit the gasWanted so that
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// gasWanted = max(gasWanted * MinGasMultiplier, gasUsed)
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// this will be keep BaseFee protected from un-penalized manipulation
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// more info here https://github.com/evmos/ethermint/pull/1105#discussion_r888798925
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minGasMultiplier := k.GetParams(ctx).MinGasMultiplier
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limitedGasWanted := sdk.NewDec(int64(gasWanted)).Mul(minGasMultiplier)
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gasWanted = sdk.MaxDec(limitedGasWanted, sdk.NewDec(int64(gasUsed))).TruncateInt().Uint64()
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k.SetBlockGasWanted(ctx, gasWanted)
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defer func() {
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telemetry.SetGauge(float32(gasWanted), "feemarket", "block_gas")
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}()
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err := ctx.EventManager().EmitTypedEvents(&types.EventBlockGas{
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Height: fmt.Sprintf("%d", ctx.BlockHeight()),
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Amount: fmt.Sprintf("%d", gasWanted),
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})
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if err != nil {
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k.Logger(ctx).Error(err.Error())
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}
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}
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